73
SPECIFICATIONS
Range
0.0 to 20.0 mg/L
Resolution
0.1 mg/L
Accuracy
±0.2 mg/L ±3% of reading at 25 °C
Typical EMC
±0.1 mg/L
Deviation
Light Source
Tungsten lamp with narrow band interference filter @ 525 nm
Method
Adaptation of the
Standard Methods for the Examination of Water and Wastewater,
18
th
edition, Periodate method. The reaction between manganese and reagents causes
a pink tint in the sample.
REQUIRED REAGENTS
Code
Description
Quantity
HI 93709
A
-0
Citrate
1 packet
HI 93709
B
-0
Sodium periodate 1 packet
REAGENT SETS
HI 93709-01
Reagents for 100 tests
HI 93709-03
Reagents for 300 tests
For other accessories see page 132.
MEASUREMENT PROCEDURE
• Select the
Manganese HR method using the procedure described
in the
Method Selection section (see page 12).
• Fill the cuvette with 10 mL of unreacted sample (up to the
mark) and replace the cap.
• Place the cuvette into the holder and close the lid.
• Press the
Zero
key. The display will show “
-0.0-
” when the meter is zeroed and ready for
measurement.
• Remove the cuvette.
• Add the content of one packet of HI 93709A-0 Citrate reagent.
Replace the cap and invert to mix with gently movements for
2 minutes.
Manganese HR
10 mL
MANGANESE HIGH RANGE